Share this Job

Staff Software Engineer, Backend

Date: 19-Feb-2021

Location: Singapore, Singapore

Company: Singtel Group


Singtel, Asia’s leading communications technology group, provides an extensive range of telecommunications and digital services to millions of consumers and businesses across Asia, Australia, Africa and the USA. With over 140 years of innovation behind us, we continue to push boundaries in our networks and services, to enrich lives and transform businesses.


Our core values – Customer Focus, Challenger Spirit, Teamwork, Integrity, and Personal Excellence – shape the way we work. We are passionate about making a difference and have an open and inclusive culture where everyone is empowered to do their best. Our diverse business means you will enjoy unique opportunities and rewarding experiences to learn and grow your career in a dynamic industry.


Join us and experience what it’s like to be with an Employer of Choice*. Together, let’s create a brighter digital future for all. *Awarded at the HR Fest Awards 2020



As a Staff Software Engineer in the Backend Chapter, you will be responsible for building applications that run in the cloud or in the data centre to support both web and mobile apps.  Using engineering best practices, the applications you build will be the highest quality and confirm to development standards.  The applications you right will be primarily written in the Java programming language with specialized services written in other languages such as JavaScript or Golang, Python, other.


You will understand service implementation approaches that support consistent and eventually-consistent data models using synchronous and asynchronous techniques and understand the fundamentals of resource optimization and concurrency.


You will understand how and contribute to the design and building highly scalable applications running in both the cloud and on-premise data centres and the principles of micro-services.


Key Responsibilities

  • Development of High Performance Java Service API and Business Systems
  • Using SpringBoot to build microsservices in Java
  • Writing deployment pipelines to deploy Java microservices in Kubernetes
  • Working with AWS Services to optimize your Java applications (SQS, SNS, SES, Lambda, S3, DynamoDB, RDS, and more)
  • Contributing to the Chapter java library and framework development
  • Write integration tests for API endpoints
  • Focus on Technical leadership
  • Ensure best practices are followed in the Chapter
  • Provides mentoring and guidance
  • Owns a large project or system


The ideal candidate should possess

  • BA in Computer Science or Computer Engineering
  • Min. 8 years of Software Engineering experience
  • Technical skills required: 
    • Java 8 / Java lambda
    • SpringBoot
    • RESTFul Services
    • JSON API
    • HTTP Protocols / CORS / CSRF
    • Cache Control (Redis)
    • Microservice Architectures
    • Containerization
    • Maven
    • Junit
    • Mockito
    • Contract testing
    • Queueing Services (optional)
    • SQL Database (optional)
    • Consistency Model Understanding
    • Circuit Breakers
    • Rate Limiting
    • Caching Systems (Hazelcast, Redis, Aerospike)
    • RabbitMQ / Kafka / SQS
    • NoSQL Databases
    • Lambda (Serverless) Concepts
  • Deep understanding of Algorithmic Design
  • Deep understanding of Software Development Lifecycles
  • Can work in diverse large teams

  • Ability to communicate effectively

  • Understanding of Ticking Systems, Documentation Systems, Testing Methodologies



We believe in the strength of a vibrant, diverse and inclusive workforce where backgrounds, perspectives and life experiences of our people help us innovate and create strong connections with our customers. We strive to ensure all our people practices are non-discriminatory and provide a fair, performance-based work culture that is diverse, inclusive and collaborative.